Compilare: main.cpp:2:28: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type] int d[100000],n,i,j,l;main(){FILE*y=fopen("jocul.in","r"),*z=fopen("jocul.out","w");fscanf(y,"%d",&n);d[0]=1;int x=0,s=0;for(i=0;i<n;i++){fscanf(y,"%d",&l);s+=l;for(j=x;j>=0;j--)if(d[j]==1)d[j+l]=1;x=x+l;}i=s/2;while(d[i]==0)i--;fprintf(z,"%d %d",i,s-i);} ^ main.cpp: In function 'int main()': main.cpp:2:102: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] int d[100000],n,i,j,l;main(){FILE*y=fopen("jocul.in","r"),*z=fopen("jocul.out","w");fscanf(y,"%d",&n);d[0]=1;int x=0,s=0;for(i=0;i<n;i++){fscanf(y,"%d",&l);s+=l;for(j=x;j>=0;j--)if(d[j]==1)d[j+l]=1;x=x+l;}i=s/2;while(d[i]==0)i--;fprintf(z,"%d %d",i,s-i);} ^ main.cpp:2:156: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] int d[100000],n,i,j,l;main(){FILE*y=fopen("jocul.in","r"),*z=fopen("jocul.out","w");fscanf(y,"%d",&n);d[0]=1;int x=0,s=0;for(i=0;i<n;i++){fscanf(y,"%d",&l);s+=l;for(j=x;j>=0;j--)if(d[j]==1)d[j+l]=1;x=x+l;}i=s/2;while(d[i]==0)i--;fprintf(z,"%d %d",i,s-i);} ^